/* grohong.com — Nerve 디자인 토큰(Nerve/design/system/src/tokens/tokens.ts) 기반. 다크 우선. */
:root {
  color-scheme: dark;
  --bg: #0B0B0B;
  --card: #1C1C1E;
  --text: #FFFFFF;
  --text-2: #A1A1A6;
  --text-3: #6E6E73;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #7CB342;
  --needle: #FFFFFF;
  --band-xfear: #E8452C;
  --band-fear: #F28C28;
  --band-neutral: #F2C12E;
  --band-greed: #A4C639;
  --band-xgreed: #4CAF50;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", Roboto, "Helvetica Neue", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #F5F5F7;
    --card: #FFFFFF;
    --text: #0B0B0B;
    --text-2: #6E6E73;
    --text-3: #8E8E93;
    --border: rgba(0, 0, 0, 0.1);
    --accent: #5E9A2E;
    --needle: #0B0B0B;
    --band-xfear: #D63A22;
    --band-fear: #D97A1A;
    --band-neutral: #C9A11A;
    --band-greed: #8AAB2A;
    --band-xgreed: #3E9142;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
}
:lang(ko) { word-break: keep-all; }

a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 800px; margin: 0 auto; padding-inline: 20px; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 20px;
}
.brand { font-weight: 700; font-size: 17px; letter-spacing: -0.01em; text-decoration: none; }
.lang {
  font-size: 14px;
  color: var(--text-2);
  text-decoration: none;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.lang:hover { color: var(--text); }

.hero {
  display: grid;
  gap: 40px;
  align-items: center;
  padding-block: 40px 64px;
}
@media (min-width: 720px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; }
}
.eyebrow { margin: 0 0 10px; color: var(--text-2); font-size: 15px; }
h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 64px);
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: 700;
}
.lead {
  margin: 14px 0 0;
  font-size: clamp(22px, 3.4vw, 26px);
  line-height: 1.3;
  font-weight: 600;
  text-wrap: balance;
}
.sub { margin: 16px 0 0; color: var(--text-2); max-width: 32em; }
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 28px 0 0;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-2);
}
.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.gauge { margin: 0; width: 100%; max-width: 340px; justify-self: center; }
.gauge svg { display: block; width: 100%; height: auto; }
.gauge .b1 { stroke: var(--band-xfear); }
.gauge .b2 { stroke: var(--band-fear); }
.gauge .b3 { stroke: var(--band-neutral); }
.gauge .b4 { stroke: var(--band-greed); }
.gauge .b5 { stroke: var(--band-xgreed); }
.gauge .needle { stroke: var(--needle); fill: var(--needle); }
.gauge figcaption {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--text-3);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.section { padding-block: 36px; border-top: 1px solid var(--border); }
h2 { margin: 0 0 20px; font-size: 22px; line-height: 1.3; letter-spacing: -0.01em; }

.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px 40px;
}
@media (min-width: 640px) {
  .features { grid-template-columns: 1fr 1fr; }
}
.features h3 { margin: 0 0 6px; font-size: 17px; line-height: 1.35; }
.features p { margin: 0; color: var(--text-2); font-size: 15px; line-height: 1.55; }

.note { margin: 32px 0 0; color: var(--text-3); font-size: 13px; }

.about p { margin: 0 0 12px; color: var(--text-2); max-width: 36em; }
.about .contact { color: var(--text); }
.about .contact a { color: var(--accent); font-weight: 600; text-decoration: none; }
.about .contact a:hover { text-decoration: underline; }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-block: 28px 48px;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 13px;
}

.notfound { padding-block: 96px; }
.notfound p { color: var(--text-2); }